6300644868 has 72 divisors (see below), whose sum is σ = 18293475200. Its totient is φ = 1791123840.

The previous prime is 6300644849. The next prime is 6300644881. The reversal of 6300644868 is 8684460036.

6300644868 is a `hidden beast` number, since 630 + 0 + 6 + 4 + 4 + 8 + 6 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12673 + ... + 112968.

Almost surely, 2^6300644868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6300644868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9146737600).

6300644868 is an abundant number, since it is smaller than the sum of its proper divisors (11992830332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6300644868 is a wasteful number, since it uses less digits than its factorization.

6300644868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125857 (or 125852 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 6300644868 is about 79376.6015145521. The cubic root of 6300644868 is about 1846.9777650291.

The spelling of 6300644868 in words is "six billion, three hundred million, six hundred forty-four thousand, eight hundred sixty-eight".